Thakkar Bapa Vidyalaya Samithi students during a candle prayer vigil in Chennai on Friday for the victims and survivors of the flash floods in Nepal. Pic: PTI Mumbai: Thousands of Tibetans and Nepalis settled in Mumbai and parts of Maharashtra are worried stiff about their relatives, friends and other citizens in their native countries hit by the devastating avalanche and floods in the Himalayan region. An estimated 1000 Tibetans and more than four-lakhs Nepalis live in Maha